You ought to be able to calculate the nonlinear polarization by outputting both E and D. Then you may also be able to calculate the atomic inversion in certain cases, like steady state behavior, or if you output E and D as functions of time, you can calculate populations as a function of time.
On Thu, Jun 13, 2019 at 12:03 PM EDUARDO CABRERA GRANADO < ecabr...@fis.ucm.es> wrote: > Dear Meep users and developers, > > I am starting to play with the mutilevel susceptibility in meep and so far > I have not been able to extract neither the population of each level (N) > nor the electric polarization (P) associated with a transition. Is there > any way to obtain these magnitudes ar each temporal step? > > My aim is to draw the temporal evolution of the populations and > polarization to check excitation and emission. > > Thanks a lot in advance for any help and also meep developers for this > excellent tool. > > Eduardo > _______________________________________________ > meep-discuss mailing list > meep-discuss@ab-initio.mit.edu > http://ab-initio.mit.edu/cgi-bin/mailman/listinfo/meep-discuss
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